SU-SWS/stanford_migrate

<?php

namespace Drupal\stanford_migrate\Plugin\migrate\process;

use Drupal\migrate\MigrateExecutableInterface;
use Drupal\migrate\Row;
use Drupal\migrate_plus\Plugin\migrate\process\EntityGenerate;

/**
 * This plugin generates entities within the process plugin.
 *
 * @MigrateProcessPlugin(
 *   id = "entity_generate_no_lookup"
 * )
 *
 * @see EntityLookup
 *
 * All the configuration from the lookup plugin applies here. In its most
 * simple form, this plugin needs no configuration. If there are fields on the
 * generated entity that are required or need some default value, that can be
 * provided via a default_values configuration option.
 *
 * Example usage with default_values configuration:
 * @code
 * destination:
 *   plugin: 'entity:node'
 * process:
 *   type:
 *     plugin: default_value
 *     default_value: page
 *   field_tags:
 *     plugin: entity_generate_no_lookup
 *     source: tags
 *     default_values:
 *       description: Default description
 *       field_long_description: Default long description
 * @endcode
 */
class EntityGenerateNoLookup extends EntityGenerate {

  /**
   * {@inheritdoc}
   */
  public function transform($value, MigrateExecutableInterface $migrateExecutable, Row $row, $destinationProperty) {
    $this->row = $row;
    $this->migrateExecutable = $migrateExecutable;

    // If the source data is an empty array, return the same.
    if (gettype($value) === 'array' && count($value) === 0) {
      return [];
    }

    // In case of subfields ('field_reference/target_id'), extract the field
    // name only.
    $parts = explode('/', $destinationProperty);
    $destinationProperty = reset($parts);
    $this->determineLookupProperties($destinationProperty);
    $this->destinationProperty = isset($this->configuration['destination_field']) ? $this->configuration['destination_field'] : NULL;
    return $this->generateEntity($value);
  }

}